feat(messages): align retry status parity

internal/handler/api/v1/message_handler_test.go

@@ -13,6 +13,7 @@ import (
 	"github.com/gin-gonic/gin"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/suite"
+	"gorm.io/datatypes"
 	"gorm.io/driver/sqlite"
 	"gorm.io/gorm"
 	"gorm.io/gorm/logger"
@@ -560,6 +561,11 @@ func (s *MessageHandlerTestSuite) TestDelete_NotFound() {
 // --- Retry Tests ---
 
 func (s *MessageHandlerTestSuite) TestRetry_Success() {
+	s.Require().NoError(s.db.Model(s.testMessage).Updates(map[string]interface{}{
+		"status":             "failed",
+		"content_attributes": datatypes.JSON([]byte(`{"external_error":"provider failed"}`)),
+	}).Error)
+
 	w := httptest.NewRecorder()
 	url := msgRetryURL(s.testAccount.ID, s.testConv.ID, s.testMessage.ID)
 	req, _ := http.NewRequest("POST", url, nil)
@@ -570,6 +576,8 @@ func (s *MessageHandlerTestSuite) TestRetry_Success() {
 	json.Unmarshal(w.Body.Bytes(), &resp)
 	assert.Equal(s.T(), float64(s.testMessage.ID), resp["id"])
 	assert.Equal(s.T(), float64(1), resp["message_type"])
+	assert.Equal(s.T(), "sent", resp["status"])
+	assert.Equal(s.T(), map[string]interface{}{}, resp["content_attributes"])
 }
 
 func (s *MessageHandlerTestSuite) TestRetry_InvalidAccountID() {